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Provide the intermediates for the reactions below. Thank you !
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- These reagents can produce ketones with alkynes A. BH3, THF, H2O2 B. KMnO4 C. O3 D. H2SO4, H2O, HgSO4Which of the following reagent best accomplish this transformation below? a. BH3, THF, H2O2 b. NaNH2, NH3 c. H2SO4, H2O, HgSO4 d. H2, LindlarChoose the best reagents from the list provided below for carrying out the following conversion. Match the reagent with the step number. HCl (aq), Zn(Hg) Br2, FeBr3 Na/NH3, -33 degrees C NBS, light KMnO4, H3O+ Mg metal, ether KOH, EtOH, heat
- Triethyloxonium tetrafluoroborate, (CH3CH2)3O+ BF4 −, is a solid with melting point 91–92 °C. Show how this reagent can transfer an ethyl group to a nucleophile (Nuc:−) in an SN2 reaction. What is the leaving group? Why might this reagent be preferred to using an ethyl halide?When 3-methyl-1-butene is reacted with 9-borabicyclo[3.3.1]nonane, the "1-ol" product is formed. What is the detailed reactin scheme for the transformation? Describe the purification procedure.Explain how the reaction of (CH3)2CHCH(Cl)CH3 with H2O yields two substitutionproducts, (CH3)2CHCH(OH)CH3 and (CH3)2C(OH)CH2CH3
- Rank the following in increasing order of reactivity towards nucleophilic acyl substitutiona. CH3COCl, CH3COOCH3, CH3CONH2b. CH3COOCH3, CH3COOCH2CCl3, CH3COOCH(CF)3In which compound is the halogen substituted most rapidly by aq hydroxide ions? a. CH3CH2CH2CH2Cl b. (CH3)3CI c. (CH3)3CCl d. CH3CH2CH2CH2IPredict the major products of the following reactions.(a) 1@ethylcycloheptene + ozone, then (CH3)2S(b) 1@ethylcycloheptene + warm, concentrated KMnO4(c) 1@ethylcycloheptene + cold, dilute KMnO4
- What product(s) would you expect to obtain from reaction of 1, 3-cyclohexadiene witheach of the following?(a) 1 mol Br2in CH2Cl2(b) O3followed by Zn(c) 1 mol HCl in ether(d) 1 mol DCl in ether(e) 3-Buten-2-one (H2C = CHCOCH3)(f) Excess OsO4, followed by NaHSO3Reaction of (CH3)3CCHO with (C6H5)3P=C(CH3)OCH3, followed by treatment with aqueous acid, affords R (C7H14O). R has a strong absorption in its IR spectrum at 1717 cm−1 and three singlets in its 1H NMR spectrum at 1.02 (9 H), 2.13 (3 H), and 2.33 (2 H) ppm. What is the structure of R? We will learn about this reaction in Chapter 18.Determine the reagents A, B, C, D, E and the structure of compounds I, II, II in the reaction below
